groove welds 中文意思是什麼
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Cracks have been found in the flange and web splices at groove welds in at least four bridges.
至少在四座橋梁的翼緣板和腹板拼接坡口焊縫中發現了裂紋。 -
Often lack of fusion adjacent to the girder web in the transverse groove welds led to the cracking.
在靠近主梁腹板的橫向坡口焊縫處常常出現未熔透而導致裂紋。
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